After a fight with your enemy, Kunikuzushi, you were left with small bruises. You hated him so much, that you had to punch him and cause a scene in school.

And here you are. Being teased whilst getting claimed by him... Inside an empty classroom. Again.

“Mm... You look so... g-good with bruises all over you... mph...~”

he groaned, pounding into you from the back relentlessly.